#91311A
Closest named color: Brown Red (#922B05). oklch(45.1% 0.134 34.6), rgb(145, 49, 26).
Aa
White text reads best on this color (7.90:1).
About this color
#91311A is a medium-dark, moderately saturated red. In OKLCH its lightness is 45%, its chroma 0.134 and its hue 35°. Its hue sits on the warm side of the wheel. The nearest named color is Brown Red (#922B05), ΔE 0.014 away. White text reads best on it, at 7.90:1.
| Hue family | Reds |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.134) |
| Temperature | warm |
| Nearest name | Brown Red (#922B05) |
| Black text | 2.65:1 |
| White text | 7.90:1 |
Values
| HEX | #91311A |
| RGB | rgb(145, 49, 26) |
| HSL | hsl(12, 70%, 34%) |
| OKLCH | oklch(45.1% 0.134 34.6) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #91311A | 7.90:1 | AAA | Lc -91.3 | Preferred for body text |
| Black text on #91311A | 2.65:1 | Fails | Lc 17.5 | Dividers and decoration only |
| #91311A text on white | 7.90:1 | AAA | Lc 86.5 | Fine for body text |
| #91311A text on black | 2.65:1 | Fails | Lc -15.6 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 800.
-
Step 50
50
#FCF3F1
oklch(97.1% 0.01 32.5)
-
Step 100
100
#F9E5E0
oklch(93.7% 0.023 34.3)
-
Step 200
200
#F4D0C6
oklch(88.5% 0.043 36)
-
Step 300
300
#EFAF9F
oklch(81% 0.079 34.5)
-
Step 400
400
#E3826A
oklch(70.7% 0.125 34.8)
-
Step 500
500
#D95E41
oklch(63.2% 0.161 34.6)
-
Step 600
600
#C43F1F
oklch(55.6% 0.175 34.5)
-
Step 700
700
#A93010
oklch(49.1% 0.162 34.7)
-
Step 800
800 (this color)
#91311A
oklch(45.1% 0.134 34.6)
-
Step 900
900
#6E2717
oklch(37.6% 0.105 34.2)
-
Step 950
950
#41180E
oklch(27% 0.067 34.9)
#91311A with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #4D4416 | 0.137 |
| Deuteranopia (no green cones) | #645916 | 0.126 |
| Tritanopia (no blue cones) | #A0162D | 0.053 |
| Achromatopsia (no color) | #515151 | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91311A
#91311A
oklch(45.1% 0.134 34.6)
- #006071
#006071
oklch(45% 0.08 215.3)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #91311A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brown Red #922B05 ΔE 0.014
- Red Brown #8B2E16 ΔE 0.015
- Rust Brown #8B3103 ΔE 0.020
- Burnt Red #9F2305 ΔE 0.031
- Auburn #9B2226 ΔE 0.034
- Brick #A03623 ΔE 0.035
- Russet #A13905 ΔE 0.042
- Brick Red #8F1402 ΔE 0.042
Use #91311A in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.